General aimlessness:
* Scribble: This implies a lack of care or purpose in the writing.
* Doodle: This suggests drawing or writing aimlessly, often with no clear intent.
* Jot: This is a more casual term for writing something down quickly and without much thought.
* Rambling: This implies writing without a clear structure or direction.
More specific to writing style:
* Freewriting: This is a specific writing technique where you write without editing or censoring yourself.
* Stream of consciousness: This describes writing that mimics the flow of thoughts, often with no clear logic or structure.
* Spontaneous: This suggests writing that happens without planning or forethought.
Negative connotations:
* Ranting: This suggests writing with strong emotions and little regard for logic or coherence.
* Muttering: This implies writing in a confused or incoherent way.
* Babbling: This suggests writing in a nonsensical or meaningless way.
The best word to use will depend on the specific context and the type of writing you're describing.